1. Place onion, garlic, olive oil, bay leaf, salt and pepper in a microwave-safe bowl (4 liter or 4 quart) and mix well. Make sure olive oil is well blended. Cover with a vented microwave lid and cook on HIGH (1200W) for 3 minutes.

2. Take out and stir until it becomes smooth.

3. Add tomatoes and white wine. Cover and cook on HIGH (1200W) for 5 – 6 minutes.

4. When it reaches a boil, take the cover off and cook 5 – 6 minutes. When ready to serve, remove the bay leaf.

* This is a convenient sauce for pasta or rice dishes, pizza, and anything else. Because it is full of tomatoes, it also provides lots of vitamin A.

For how long you should cook with your microwave oven, see Cooking Time vs Wattage Conversion.
For more tips of using Microwave Oven, see Sachiko's Guideline to Microwave Cooking.